Monitoring data

Administrative data

migrated information: read-across based on grouping of substances (category approach)

Adequacy of study:

key study

Study period:

2007-2009

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: see 'Remark'

Remarks:

Member states reported data on monitored concentrations to the EU Commission that were supposed to be relevant for general water quality. However, analysis has demonstrated that the data were not always answering that definition. Still, this data review was at EU scale was unique and is therefore reported.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2 009

Report Date:

2009

Materials and methods

Test guideline

Qualifier:

no guideline followed

Principles of method if other than guideline:

Member states were asked by the EU Commission to report monitored data on substances in water, that were to be relevant for assessing the general quality of the waters. Data were processed by the International Office of Water and INERIS.

GLP compliance:

not specified

Type of measurement:

other: data reflect general water quality

Media:

surface water

Test material

Reference

Name:

Unnamed

Type:

Constituent

Details on test material:

Data were reported for "cadmium". So, no distinction was made between different sources/forms of cadmium resulting in the final measured concentration.

Study design

Details on sampling:

data were compiled for 3915 sampling stations throughout the EU, on a total of 69539 analyses. Data are from the period 2000-2008.

Results and discussion

Concentration

Country:

other: EU

Location:

90P for the EU as a whole

Substance or metabolite:

substance

Conc.:

0.5 µg/L

Remarks on result:

other: total cadmium concentration, 3915 stations

Details on results:

"whole water" (= total) cadmium concentrations are reported from the period 2000-2008. Country 90P values were not disclosed. In some countries (Cyprus, Romania, Slovakia, sampling points are influenced by industrial point source emissions, and/or emissions from historical mining, and/or local metal-enriched geology.Analysis on the dissolved dataset has demonstrated that the data reported by Spain, that make out the majority of the dissolved database, were technically unreliable. Therefore the EU 90P for the dissolved concentrations is not reliable and cannot be used.

Applicant's summary and conclusion

Conclusions:

Given the scale and recent date of the study, the results are considered relevant for assessing current water quallity. It has to be noted that for several countries, the dataset contains data from sampling sites, specially chosed to monitor emissions from industrial point sources. As such, the data do not always reflect general water quality, but rather the local situation.

Executive summary:

The overall EU 90P value for total cadmium concentrations in water, based on 3915 sampling stations, is 0.5 µg Cd/l.

Individual country data were not disclosed.

Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.

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